28581000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{1361}}^1$

素因数の和:1392

約数の個数: 128

約数和(自身を含む): 101986560

約数和(自身を除く): 73405560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1361, 1400, 1500, 1750, 2100, 2625, 2722, 3000, 3500, 4083, 4200, 5250, 5444, 6805, 7000, 8166, 9527, 10500, 10888, 13610, 16332, 19054, 20415, 21000, 27220, 28581, 32664, 34025, 38108, 40830, 47635, 54440, 57162, 68050, 76216, 81660, 95270, 102075, 114324, 136100, 142905, 163320, 170125, 190540, 204150, 228648, 238175, 272200, 285810, 340250, 381080, 408300, 476350, 510375, 571620, 680500, 714525, 816600, 952700, 1020750, 1143240, 1190875, 1361000, 1429050, 1905400, 2041500, 2381750, 2858100, 3572625, 4083000, 4763500, 5716200, 7145250, 9527000, 14290500, 28581000]

約数ペア:

[(1, 28581000), (2, 14290500), (3, 9527000), (4, 7145250), (5, 5716200), (6, 4763500), (7, 4083000), (8, 3572625), (10, 2858100), (12, 2381750), (14, 2041500), (15, 1905400), (20, 1429050), (21, 1361000), (24, 1190875), (25, 1143240), (28, 1020750), (30, 952700), (35, 816600), (40, 714525), (42, 680500), (50, 571620), (56, 510375), (60, 476350), (70, 408300), (75, 381080), (84, 340250), (100, 285810), (105, 272200), (120, 238175), (125, 228648), (140, 204150), (150, 190540), (168, 170125), (175, 163320), (200, 142905), (210, 136100), (250, 114324), (280, 102075), (300, 95270), (350, 81660), (375, 76216), (420, 68050), (500, 57162), (525, 54440), (600, 47635), (700, 40830), (750, 38108), (840, 34025), (875, 32664), (1000, 28581), (1050, 27220), (1361, 21000), (1400, 20415), (1500, 19054), (1750, 16332), (2100, 13610), (2625, 10888), (2722, 10500), (3000, 9527), (3500, 8166), (4083, 7000), (4200, 6805), (5250, 5444)]